ParagraphMigrateDestination

<?php

namespace Drupal\paragraphs\Plugin\migrate\destination;

use Drupal\migrate\Plugin\migrate\destination\EntityContentBase;
use Drupal\Core\Entity\ContentEntityInterface;

/**
 * @MigrateDestination(
 *   id = "entity:paragraph"
 * )
 */
class Paragraph extends EntityContentBase {

  /**
   * {@inheritdoc}
   */
  protected function save(ContentEntityInterface $entity, array $old_destination_id_values = array()) {
    $entity->save();

    return [
      'target_id' => $entity->id(),
      'target_revision_id' => $entity->getRevisionId(),
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function getIds() {
    $ids = parent::getIds();

    $revision_key = $this->getKey('revision');
    $ids[$revision_key]['type'] = 'string';

    return $ids;
  }

}